Stevedore&#39;s truck.



T. F. NEWMAN & 0.-W. JOHNSON.

STEVEDORES TRUCK.

APPLICATION run) MAR. 23. 1911.

Pateni ed Jan. 21, 1919.

8 SHEETS-SHEET I.

51mm Thomas F/Vwman, Oliver W-JohnSOn.

T. F. NEWMAN & 0. W. JOHNSON.

STEVEDORES TRUCK.

APPLICATION FILED MAR.'23. 1911.

Patented Jan. 21, 1919.

8 SHEETS-SHEET 2.

Q Thbmos I? Newman, Oliver WJohnson Ml|'\ I Thomas F Newman, WM: 01] V97Jam-$0 7.

TUF. NEWMAN & 0. w. JOHNSON.

STEVEDORE'S TRUCK.

, APPLICATION FILED MAR. 23.191].

1,292,022. Patented Jan. 21, 1919.

T. F. NEWMAN 6L 0. W. JOHNSON.

STEVEDORES TRUCK. APPLICATIQN HLED MAR. 23 19-111.

Patented Jan. 21, 1919.

a suEsTs-suasr 4,

5140mm Thomas FiVW/mrd /172! W" I. F. NEWMAN & 0. W. JO'HNS0N.

STEVEDORE'S TRUCK;

APPLICATION FILED MAR-23.1917.

Patented Jan. 21, 1919.

B SHEETS-SHEET 5.

amen t w Thomas F Newman, Oliver WJohnson.

' Patented Jan. 21, 1919- 8 SHEETS-SHEET 6.

wi/b'mo lwuwwtow Thomas F/Wawman, Oliver Wfihnson.

T. F. NEWMAN & 0. W. JOHNSON.

STEVEDOHES TRUCK.

APPLICATION FILED MAR. 23. I917.

Patented Jan. 21, 1919,

8 SHEETS-SHEET 7.

awe M044 7 1702770 7? NWman, WW Oliver WJohhsoh.

T F. NEWMAN & O. W. JOHNSON. STEVEDORES TRUCK.

' APPLICATION FILED MAR. 23. I917.

1,292,022. Patented Jan. 21,1919.

8 SHEETSSHEET 8.

, v ammo Tfiamds F/Vewman, Oliver WJolmson.

STATES PATENT, OFFICE;

, THOMAS I. NEWMAN AND OLIVER W. JOHNSON, OF CLEVELAND, OHIO.

Specification ofLetters Patent.

Application filed March 23, 1917. Serial No. 158,580.

To all whom 'z't may concern:

Be it known that we, THOMAS F. NEWMAN and OLIVER W. JoHNsoN, citizens ofthe United States, residing at Cleveland, in

the county of Cuyahoga and State of Ohio, have invented certain new anduseful Improvements in Stevedores Trucks, of which the following is 'aspecification.

This invention relates to trucks and has special reference tostevedorestrucks. The

object of the invention is to provide means.

which may be readily applied to any stevedores truck and by the use ofwhich the labor of propelling the truck will be mechanically performed,the operator or steve dore being required merely to steer the truck andperhaps, in some forms, to balance the same. The invention also seeks toprovlde a power. plant which may be readily applied to tho back of astevedores truck and con-' trolled from the handles thereof so that thetruck may be moved forwardly or backwardly and instantly brought to restif so desired. The invention also seeks to provide means for the statedpurpose which will permit the truck .to be propelled by hand.

in the usual manner if so desired. Other incidental objects of. ourinvention Wlll ap,

pear in the course of the following description, the inventionresidingin certain novel features which will be particularly pointed out in theclaims following the description. In the accompanying drawings: t IFigure-1 is a side elevation of a truck showmg one embodiment of ourinvention; Fig. 2 is an end elevation of the same; Fig. 3 is an enlargedplan view of the power plant with the frame of the truck removed and thewheels shown in horizontal section;

Fig. 4 is a side elevation of the power plant;. v

Fig. 5 is a sectional elevation of that por tion of the operatin.gearing which connects the driving cran shaft withthe transmissionshaft; i

1 Fig. 6 is a horizontal section on the line & I I

7-7 of Fig. 5;

Fig. 8 is a side elevation of thediiferential' gear, the gear case beinshown in section;

transverse section thebrackets which are used to connect the axle, withthe truck-wheels, to the framed Patented Jan. 21, 1919.

' Fi 12 is a side e evation of an adjustable eg which may be attached tothe truck at the handle end of the same]; ,Fi 13 is a sectionalelevation of one mem er of said leg on a larger scale;

Fi 14 is a horizontal section taken on the hne 14.14 of Fig. 13 v Fig.15 is an enlarged side elevation of {he housing or support for saidadjustable g;-

Fig. 16 is an end elevation of the same;

Fig. 17 is a detail bracket by which t e controlling rods or level; aresupported upon the handle: of the true Figs. 18 and -19 are detail viewsof the handle end of a rock shaft which is employed to disconnect theaxle of the truck rom the power plant gearing.

erspective view of the the housing for the adjustable supporting lhetruck frame consists of the usual side bars 1 connected by cross bars 2and having their front faces preferably reinforced by metallic facingplates or wear-strips 3, the lower ends of said facing truck frame at anangle thereto'to provide lates or wear-' strips being projectedoutwardly from the- 1 and 2., At the ends remote from the chisel,

the sidebars 1 are formed into grips or handle members 5 and on theirunder or rear sides, adjacent the handlemembers, they may beequippedwith the'usual r1 d legs 6, as shown in Fig. 1-. The lower or orward endof the truck is supported by wheels -7 which may be of the usualdimensions and style and are keyed upon the ends of an axle 8 which ismounted in bearings upon I the truck frame and is actuated by a powerplant contained within a casing 9 mounted upon the warm under side ofthe frame.

The said casing 9 is constructed in two sections and incloses all thegearing and the mechanism for drivin the same, the sections beingprovided on t eir outer sides with flanges 10 through whlch securingbolts 11 are inserted to fasten'the sections firmly together. The motor,the gear cases, the fuel tank and all the operating parts are supportedfrom the upper member 12 of the casing and the casing is supported atits lower or forward end upon the axle while its upper or rear end isyieldably connected with the truck frame by shock absorbers, one ofwhich is seen in Fig. 1. Each shockabsorber consists of a long bolt orpin 13 inserted through the side bars of the truck and the flanges andhavin springs 14 disposed aroundit between te truck frame and the flange10 of .the upper section of the casing 9 and between the flange 10 ofthe lower section of the casing and a stop 15 mounted upon the lower endof the bolt. A sleeve 16 may be fitted upon the bolt within the springs,if desired, so as to support the springs against lateral distor- Ition,

and such sleeve should play freely through the flanges 10. It will bereadily understood that the springs suspend the casing from the truckframe in such manner that the shocks delivered upon the frame by ingposition.

heavy boxes or other loads will not affect the power plant so as todisconnect any of the gearing or otherwise render any of the partsinoperative.

Within the casing is mounted a motor l'i' which is preferably aninternal combust1on engine havin cooling ribs or flanges 18 around itscylinder and having a crank case 19 extending forwardly from itscylinder, the said crank case being formed integral with or rigidlysecured to a gear case 20 which is firmly secured to the top plate ofthe upper member of the casing. A fuel tank 21 is disposed within thecasing 9 adjacent the upper or rear end of the same and D a pipe 22equipped with a stop-cock 23 leads from the said tank to'a carbureter24. From the carbureter a pipe 25 leads to the cylinder of the mo-tor17and in the said pipe is fitted a governor or regulator 26 which servesto control the flow of fuel to the cylinder so that the speed of theengine will be constant. The parts just enumerated may severally be ofany well-known or preferred form and may be arranged relative to eachotherwise than as specifically illustrated, the arrange ment shown,however, being advantageous in that it balances the plant as a unit andbrings the several parts into very compact form. Byreferringparticularly to Figs. 3 and 4, it will be noted that the carbureter isdisposed at anangle to the longitudinal plane of the motor so that itwill be vertical when the truck is raised to the normal work- Theexhaust. pipe 27 leads from the engine to a muflier 28 and from themuffler a discharge pipe 29 leads through the lower or rear section ofthe casing 9. A baffle plate 30 is secured over the discharge terminalof this pipe 29 so as to protect the operator or merchandise which maybe in the neighborhood of the truck from contact with the heated gasesor flame which may possibly escape from the engine without beingquenched during the passage through the mufiier. If desired, the usualgauze screen may be fitted "in the end of the pipe 29 to furthercounteract the possible escape of the flame. To rotect the fuel tank.21. from the heat which is generated in the en" gine and is presentaround the same and the parts adjacent thereto, we provide a partition31 which extends across the casing in advance of the tank and in rear ofthe muffler, the carbureter, the governor, and the engine, as shown mostclearly in Fig. 3. This partition 31 is covered on its front face withasbestos or other heat-resisting material, indicated at 32.

The crank case 19 opens directly into the gear case 20, all these partsbeing constructed in upper and lower members so that by removing thelower members the entire plant may be exposed and access had thereto forcleaning, repairing, orother purposes. The magneto 33 and the magnetogear case S are supported upon the side of the gear case 20 and anydesired operative connections may be installed between the engine andthe magneto gear as to properly drive the same. The magneto is connectedwith the spark plug 35 of the engine by an electrical cable 36 and agrounded return in the wcll-known manner. In order that the ignition maybe cut out whenever desired, and the engine therefore brought to a stop,we interpose in the cable 36 a switch 37 whereby the circuit may beopened and closed at the will of the operator and will be preferablylocated near or on one of the handle members 5 of the truck. The switchmay be of any well known form and is illustrated in a conventionalmanner in Fig. 3. The end of the crank shaft 38 passes into the gearcase 20 from the crank case 19 and is mounted in the bracket orpartition 39 provided within the gear case. for the end of the crankshaft may be varied at will to suit the user but we prefer annular ballbearings, as indicated at 40. Nearits The exact form of the bearing acam head 45 on the front end of a starting shaft 46 which is mounted inbrackets depending from the top of the casing 9 and equipped-at itsouter end with a crank or other handle 47. A spring 18 is coiled aroundthe starting shaft between a stop 49 thereon ,and the bracket 50 bywhich the inner or forwal d end ofthe shaft is supported so that theshaft is normally held toward therear or handle-end of the truck. 4 Alocking collar 51 is secured upon the shaft near its handle end andprovided with lug 52 adapted to engage a recess in a bracket 53 by whichthe shaft is supported so that when the spring 48 expands and moves thestarting shaft to its inoperative position the handle 47 will be heldbetween the planes of the truck frame and the bottom of the case 9 and,consequently, will not be apt to injure the operator nor catch upon thefloor of the warehouse or upon the ground and thereby damage any of theworking parts.

The beveled gears 42 have their hubs extended outwardly and ballbearings 54 are provided between and adjacent the inner ends of the hubsto permit the shaft 43 to rotate freely and also aid in preventinglongitudinal movement of the gears or distordinal groove or recess inthe shaft so that it 'will'be held against any movement relative to theshaft and the collar 57-is constructed with a notch in its outer face orend which receives the inner end of the ke so that movement of thecollar in any direction relative to the shaft will be prevented. Aclutch casing or shell 59 is mounted upon the hub of each beveled gearwheel 42 and the direction of rotation of the transmission shaft 43 isdetermined by one or the other of thesaid clutch casings being engaged bthe coacting clutch member. Each clutc casing conslsts ofan'intermediate disk-like web or plate 60 having a sleeve or hub 61which is so proportionedandfinished as to have a driving fit with thehub of the adjacent beveled gear wheel 42 so that when the clutch casinghas been driven home upon the hub of the gear wheel it will bind tightlythereon and will rotate constantly therewith. At the outer edge of eachdisk or intermediate web 60 is a flared rim 62 which receives and isadapted to be frictionally engaged by the outer mm 63 of the clutchmember 64. If so desired, the outer surface of the rim 63 may be coveredwith some friction creating material, as indicated at 65, so that aclose workin engagement with the rim 62 will be readlly and effectuallyestablished. The upper or rear clutch casing 59 has its outer rimextended to form a sleeve 66 having vanes or blades 67 projectingtherefrom an constituting a fan to create a blast of air through thecasing from the forward end of the same onto the cooling ribs 18 of theengine cylinder adjacent which it is located, as shown clearly in Fig.3. The clutch members 64 are shdably mounted upon the trans ,ter of theshiftin that end are provided at their centers with hubs 68 engagin thekeys 58 and constructed with externa annular grooves 69 which may beengaged by shifting arms.

The arms 70 and 71 for shifting the clutch members are secured u on theopposite ends of a shifting rod 72 which is slidably mountmission shaft43 and to ed in brackets or bearings provided therefor on the gear case20. At the longitudinal cenrod 72, we secure a lug or collar 73 to w ichis pivoted the inner end of an operating rod 74 which extends to theupper or rear end of the casing 9 and has its rear end pivoted to a beam75 which is fulcrumed between the top of the casing and a bracket 76secured thereto. The 0pposite ends of this beam 75 are pivoted to theforward ends of connecting rods 77 which extend upwardly and'rearwardlyand have their outer ends pivoted to the controlling levers 78, turnbuckles or similar de-.

vices 79 being interposed in the len h of 1 the rods 77 so that they maybe readily adjusted to the dimensions of the truck when applying thepower plant thereto. The controlling levers or grips 78 are fulcrumedintel-mediate their ends between the depending lugs or ears 80 ofbrackets 81 which fit against the under side of the side bars of thetruck frame and have flanges 82 (see Fig. 17) which fit against theouter sides of said side bars and through which securing bolts orsimilar fastenings are inserted into the side bars to rigidly secure thebrackets in place. The shifting arms 70 and 71 are forked at their innerends, as shown at 83, to engage the annular grooves 69 in. the hubs 68of the clutch members 64 and the shifting arm71 has its inner forked endbent laterally so that it may pass within the plane of the fan 66, aswill be readily understood. Springs 84 are coiled around the shiftin rod72 at opposite sides of the In 73 ancfiaetween said lug and stops 85whicg may conveniently be the lugs or brackets which provide bearings onthe gear case for the shifting rod. These springs balance each other sothat if the controlling levers 78 are not grasped by the operator, thecolhr or lug 73 will be held at a point midway f V between the stops 85and, conse uently, the clutch members 64 will be both eld out of truckwill not be propelled. This feature of [engagement with their respectiveclutch. h

our apparatus is very advantageous in as much as no motion will betransmitted from themotorto propel the truck unless one or modate theother of the. controlling levers 7 8 is pressed against the adjacenthandle member 5 and, consequently, if the operator should lose controlof the truck, the gearing willat once automatically move to neutralposition and the travel of the same will cease. Moreover, the directionof travel of the truck can be reversed instantly without any change ofdirection in the motor and the operator will thus be permitted to work aloaded truck back and forth to get ner or difficult situation, as willbe readily understood. a

The transmission shaft 43 projects forwardly and upwardly 20 and entersa gear case 86 depending from the extreme forward portion of the uppersection of the case 9 and, within the saidgear case 86, isequipped witha worm 87 meshing with a worm gear 88 forming the master gear of thedifierential. Ball bearings 89 are preferably provided to receive theend thrust of the transmission shaft 43 and the master gear 88 of thedifferential is disposed concentric with the axle 8. which, of course,consists of two alined members, as shown clearly in Fig. 9. A washer 90of any vwear-resisting material is inter osed between the ends of thesections 0 the axle so as to avoid' unevenness in the wear of the same.A spider 91 is securely fastened to the side ofhe worm gear spidercarries trunnions 92 upon which are journaled the beveled pinions 93,these pinions meshing with opposed beveled gears 94 fitted loosely uponthe respective sections of the axle 8. The gear casing '86 is so shapedas-to provide recesses. 95 to accomthe hubs 96 of the beveled gears 94and annular ball bearings 97 are fitted within the said recesses andaround the hubs so as to minimize friction. The hubs 96 are constructedwith notched outer ends 98 and upon the axle at the outer sides of andad- 'acent the respective hubs are slidable clutch collars 99 which areadapted to lockingly ingage the notched extensions 98 of the s 96andthereby firmly connect the respective gear wheels 94 with the axle.These clutch collars are mounted upon. the axle sections by keys 100 andareconstructed with external annular grooves 101 wherebythey may beengaged by the forked ends 102 of the shifting; arms 103 and 104. Theshifting arm 103--is securedto' a rod 105 whlch is slidably. supportedin suitable guides upon the gear case 86 and vthe top plate of thecasing 9. while the shifting arm 104 isfitted upon the said rod 105 butis slidable relative thereto. The arm 104' is constructed with anupstandinglug or projection 106 and a similar rojection or lug 107 isformed upon the co lar 108 which is secured upon the rod 105 adjacentthe arm 104:. A spring 109 has its ends secured to out of a crowdedcorfrom the gear case 88' and this "end of be readily understood thatwhen the shaft 110 is turned so that the greater 'dimenslon of the head111 extends parallel with the inner-faces of the projections 106 and107, the said projections are brought close together by the spring 109and the clutch members 99 will be withdrawn from engagement with therespectively adjacent gear. wheels, as shown in Fig. 9, so that nomotion will be imparted to the axle from the engine. If, however, therockshaft 110 be turned so that the longer dimension of the head 111 isat right angles to the inner parallel faces of the projections 106 and107, the collar 108 and the arm 104 will be spread apart against thetension of the spring 109, and, consequently, the clutch members 99 willbe thrown into engagement with the hubs of the respectively adjacentgear'wheels and the'power of the motor will then be applied to the axle.The rear end of the rock shaft 110 is equipped with a handle or button112 and extends through a'bracket 113-secured to the front the case 9.This button 112 has its body portion provided with a convex edge 114 andwith flat sides 115 while thebracket' 113 is providedwith an opening 116having two fiat faces 117 connected bya short concave surface where theytend to. meet and by their distal points. The flat sides of the body ofthe turn buckle or handle coacting with the flat walls of the opening inthe having a transverse web 120 to fit against side of the side bar ofthe truck' the nuclei and an upstanding longitudinal flange 1.21

- whichis adapted to fitv against the outer face of the side bar and isconstructed with suitable holes to receive securing bolts whereby itIS'SGCIJI'Gd to the side bar. A notch or recess 122 is provided at thecenter of the upstanding flange or branch 121 and an eye 123 is formedat the inner side of the said recess and the web 120. The axle iscarriedin hanger blocks 124 which consist each of a central cylindrical body125 havi'n its inner end partly closed by a Web 126,-t e centralopening-127 through the said web being of a large concave surface 118 atbracket'l13 will not only serve to limit the a movement of the rockshaft to one quarter such diameter as to receive the axle withoutbinding thereon and without leaving such a space as will permitexcessive accumulation of dust and dirt. The interior of the cylindricalbody 125 provides a chamber in which ball bearings 128 may be fittedaround the shaft and the outer end of said chamber will flanges of theupper casing member 12 and at the inner side of the block is a verticalflange 131 which is provided at the center of its upper edge with aninternally threaded eye 132 disposed in axial alinement with an "narilyemployed upon stevedores trucks eye 133 formed on the upper side of thebody 125. The eyes 132 and 133 receive the eye 123 between them. and afastening screw 134 is inserted through the alined eyes, as shown inFig. 10, to pivotally connect the pillar block-to the hanger or .headblock 119 and thereb pivotally mount the entire plant upon t e truck.

-While the supporting legs 6 now ordineed'not, be discarded when ourinvention is applied to the truck, it is advantageous to substitute forsaid supports adjustable legs or supports by the use of which the rearor hand e end of the truck may be held at any desired height. To attainthis result, we have devised the construction illustrated in Figs. 12 to16 in which is illustrated a housing comprising side plates 135 whichextend upwardly against opposite faces of the side bars of the truck andare rigidly secured thereto by bolts or screws inserted trans-.

versly through the parts. The lower portions ofthese side plates are ofthe general form illustrated and are extended rearwardly and downwardly,asshown at 136. Perforated lugs or ears 137 are provided on the loweredges of the side plates and clam ing bolts 138 are inserted through the.said lugs. The clamping bolt may extend across the entire Width of thetruck so as to serve as a brace and a spacing bar to maintain thehousings in their proper position and such construction hasbeen'mdicated in Fig. 16. Between the rear edges of the sides plates, weprovide a bracket or spacing plate 139 having a shelf 140 projectingrearwardly from its upper edge and thiss-pacing late and shelf fitagainst the under side 0 the side bar of the truck so as to serve as agage in assembling the parts and also serve'as a guard to prevent anaccumulation of dirt and dust between the side plates, as well as toprevent the hand or fingers of the operator beingcaught between theside, bar housing and the adjustable leg. The controllin rods 77 willpass at the inner sides of the sai housings so thatthey will notinterfere in any way with the use of the same or adjustment of thesupporting legs. The supporting legs 141 each consist of a pair ofarcuate side plates 142 which are spaced apart and held in the properspaced relation by connecting plates 143 disposed between the sideplates and rigidly secured thereto. The con vex side of the leg isconstructed with teeth or lugs 144 which are adapted to be engaged bypawls 145 pivotally. mounted upon the extension 136 of the respectivehousings so that the legs will be held in any position in which they maybe set. Each pawl 145is disposed between perforated lugs 147 formed onthe upper edges of the said extension 136 and is secured'upon a rod 146journaled in the said lugs or ears. The rod 146 extends across the widthof the truck and has itsends journaled in the lugs on both housings,while at an intermediate point of the length of said rod is a lever orhandle member 148 by which the rod and the pawls may be rocked whenadjusting the lugs. A spring 149 coiledaround the rod 146 and having itsends secured, respectively, to the rod an I one of the ears 147 holdsthe pawl normally towardthe extension 136 so that when it is inengagement with the supportin leg it will hold said leg positively and eciently in the position to which it may be adjusted. At the lower endsof the side plates 141, on the con-cave edges of the same, areperforated lugs or ears 150 throu h'which and a projection 151 on aswive block 152, a securing bolt 153 is inserted to secure said block inthe lower end of the leg. This block is provided at, the side oppositethe lug 151 with flanges 154 throu h which and the forward edges of thesi e plates 142 bolts or rivets may be passed to secure the block inplaces The block 152 is provided with an annular plate 155 at its lowerend and the central portion of the block forms a sleeve or hub 156 whichreceives the stem or pintle 157 rising from the head 158 of a fork 159.A roller-or caster wheel 160 is journaled in the lower rear end of thefork 159 and a fastening pin or similar device 161 is inserted throughthe upper end of the stem or pintle 157 above the hub 156 so as toprevent withdrawal of the stem from the hub. It

-will be readily understood that the fork,

with its pintle, is assembled with the block. The block is then insertedin the lower end ofthe supporting leg and the parts are all secured, aswiveled or caster wheel being thereby furnished at the lower end of,the supporting leg so that the wheel will oscillate freely from side toside and thereby follow the course of travel of the truck. The clam ingbolt 153 may extend across the widt of the truck and serve to connectthe legs so as to hold them in their proper spaced relation and reventspreading -t ereof but such length of the bolt is not essential and inlong enough to secure the swiveled block in the end of one leg. When thelegs are ar-.

ranged as shown in Fig.12, the short clamping bolts will be usedinasmuch as a long rod would be in the way of the operator and interferewith his walking. It is obvious that the supporting legs may be adjustedto support the rear or handle end of the truck at any desired height andto accommodate the clamping bolts 153 when the truck is adjusted to itsextreme low position, the lower ends of the extension 136 are reducedand shaped to provide shoulders 162 which receive the clamping bolt 153and thereby act as stops to limit the. lowering of the truck. A clip ortie plate 16s connects the lower forward corners of the plates 135 torevent spreading of the. housing and in the ottom .f the housing 15 alongitudinal slot 165 which receives a stop lug 166 on the under.

side of the leg at the front end of the same. By engaging the rear endof the slot, thelug 1G6 prevents the leg dropping from the housing whenthe truck is raised toan extreme height. It is to be understood that thelegs and the housing for the upper ends thereof may be reversed sothatthe legs will extend forwardly and downwardly from the handle sectionsof the truck-instead of rearwardly and downwardly, as illustrated.

It is thought the use and advantages of our device will be readilyunderstood from the foregoing description, taken in connection with theaccompanying drawings. The power plant herein disclosed may be appliedto any truck now in use, the only changes involved in the truck beingthe removal of the present axle and the substitution therefor of theaxle with the pillar and head block mountings herein shown anddescribed; the boring of an opening to receive the retaining bolt or pinof the shock absorber and the boring of holes to receive the brackets 81by which the controlling levers or rods are plvotally supported. Theoperating, mechanism with the motor and the intermediate connections areall inclosed within the casing 9 so that the entire plant may bedelivered intact ready for application to a truck. The several parts ofthe power plant or unit are'so dis osed that they will operate properlyand e ciently at any angle which the truck may assume. in o oration.Inasmuch as the transmission she 'is connected with the axle by wormgearing, the rotation of the axle will cease at once when power from themotor is cut ed. The shifting rods 72 and 74 will normally hold theclutch 64 in the inoperative position or neutral, so that, even if theengine be running, no power will be applied to the transmission shaftand, consequently. no travel imparted to the truck. When the operatortakes hold of the handles 51his fingers are naturally in a position togrip the controlopening.

ling levers 78 and if the right hand lever be pressed against theadjacent handle 5, the forward clutch member will be thrown intoengagement with the adjacent clutch casing and the truck driven forward.If the right hand controlling lever be released and the left hand leverpressed against the adjacent handle member, the truck will be drivenbackward. Should the truck, for any reason, get beyond the control ofthe operator the controlling levers 7 8 will be automati-' cally orinstinctively released and, consequently, the truck Wlll come to a stop.By the use of-our invention, the operator is relieved of the labor ofpropelling the truck and is called upon merely to steer the same, and ifa gang of stevedores be working, all will'be compelled to work at thesame speed inasmuch as the motor is adjusted to a set speed and thestevedores will, therefore, have a fixed rate of travel. It ma sometimesbe desirable to propel the truck y hand as, for instance, when it isunloaded and is to be brought in position to take up a box or bale. Therock shaft 110 may then be manipulated so as to release'the axle fromits operativeengagement with the differential gearing and the axle willthen rotate freely in the hubs 96 and the clutch collars 99 as bearingswhile the engine may remain at rest. Having brought the truck into sucha position that the chisel 4 may be inserted under the box or bale, theengine may be started and the axle thrown into mesh with thedifierential' gear whereupon the power of the engine may be utilized todrive the chisel 4 under the box or bale so as to take up the same,

This facility of operating the truck manuany will be found advantageousin the event that the engine for any reason becomes dead or sustains aninjury which renders it temporarily'inoperative and also sired toeconomize on fuel. When the en- 'gine is running, a constant current ofair will be drawn in through the front end of the casing and deliveredover the engine cylinder to escape through the op the side of the casinginomedlately adjacent thecylinder. It'will be noted, furthermore, thatsaid opening 163 is immediatel ad acent the rear end of the engine and tat the partition 31 is alsoin juxtaposition to the engine so that thepartition serves as a deflector to direct the air currents toward theConsequently, the air currents will not merely flow through the'lengthof the casingan escape from the rear end thereof,

but will be directed onto and around the engine, serving eii'ectually'tocool the engine.

The power plant will operate effectual y at whatever angle the truck maybe disposed and by arranging the transmission obliquely relative to thehorizontal plane of the casing the plant is brought into very compactform, the use of the worm gear is permitted, andenings 163 in when it isdeweight of the plant brought close to the axle and the operatorrelieved of the same. Having thus described the invention, what isclaimed as new is:

1'. The combination with a stevedores truck, of a casing hun upon therear side of the truck, a power p ant contained within said casing,operative connections between means for causln said power plant and theaxle of the truck, and means to be mounted upon the truck forcontrolling said power plant, the casing, the

power plant and connections constituting a unit for application to thetruck.

2. The combination with a stevedores truck, of a casing secured to therear side thereof and comprising u per and lower sec-' tions, and apower plant isposed within the casing and carried by the top plate ofthe travel ofthe truck, a fuel tank disposed in rearrof the engine, acarbureter connected with the fuel tank, connections between thecarbureter and the engine, and a heat-resist-' ing partition extendingacross the casing in proximity to the engine and separating the tankfrom the carbureter and the engine.

4. A power plant for stevedores trucks compris nga casing tobe hung onthe under side of thetruck, an engine mounted within the casing at oneside thereof, gearing extending longitudinally of the casing foroperatively connecting the engine wit the axle. of the truck, a mufllerconnected withthe exhaust of the engine and disposed within the casingat the side thereof remote from the engine, a discharge from saidmuffler leading through the casing, and a bafiie plate secured to theexterior of the casin over the end of said discharge.

5. In a stevedores truck, the combination with the truck frame, of ahead block secured thereto and having a recess in its outer side, and aperforated car at the inner end of said recess, a pillar block comprising. a substantially cylindrical body having a web atone end andprovided said means to s ift the gearing to effect either forward orbackward with spaced axially alined ears adapted to fit at oppositesides of the ear on the head block with the outer of said ears fittingin the recess in the head block, a pivot inserted through said alinedears to secure the pillar block to the head block, an axle extendingthrough the cylindrical body and the web at the end of the same, andbearings fitting within the said body around the axle.

(i. The combination with a stevedores truck, of a power plant pivotallyconnected to the wheeled end of the same and yieldably supported at a"point in wheeled end.

7 The combination with astevedores truck, having an axle and wheels onthe axle, of a power plant hung on the truck and extending over the axleand including .a motor, a transmission shaft geared to the motor anddisposed obliquely relative to the horizontal plane of the plant, andgearing cgrlmecting the transmission shaft to the a e.

rear of the 8. The combination with, a stevedores truck, of a powerplant pivotally secured to the under side thereof adjacent the forwardend ofthe same, and supporting wheels connected with said plant belowand adjacent the point of pivotal'suspension of the j' power plant forstevedores trucks. comprising a casing pivoted at its front end to thetruck adjacent the front end thereof,

.an axle and supporting wheels earned by same.

the front end of the casing, a motor within the casing, a transmissionshaft disposed longitudinally within the casing at theside of the motorand extending obli uely relative to the top and bottom of t e casingearing connecting the transmissionsha with the motor, gearingconnecting the transmission shaft with the axle, a fuel tank,-and acarbureter.v connected with the motor and with the fuel tank anddisposed obliquely with respect to the casing.

10. A power plant for stevedores trucks comprising a casing pivoted atthe front end thereof, an axle andsupporting wheels car-.-

ried by the front end 0 the casing, yieldable means for suspending therear end of the casing, a motor within the casing, and means operativelyconnecting the. motor with the axle.

In testimony whereof we aflixour signatures.

THOMAS F. NEWMAN. [L..s.] OLIVER W. JOHNSON. [1,. 5.]

